diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2014-12-03 16:41:44 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2015-01-13 03:33:19 +0300 |
| commit | 25717b857360760755b83b4e606d61e1fc38552f (patch) | |
| tree | 7c2a7926d8d2a380917c917985ab8c39db8a4cad /arch/arm/mach-shmobile/pm-rmobile.c | |
| parent | 4b9d62e02a0124d06fbbb9c4b01bd69f3c4dcd35 (diff) | |
| download | linux-25717b857360760755b83b4e606d61e1fc38552f.tar.xz | |
ARM: shmobile: R-Mobile: Store SYSC base address in rmobile_pm_domain
Replace the hardcoded addresses for accessing the SYSC PM domain
registers by register offsets, relative to the SYSC base address stored
in struct rmobile_pm_domain.
In the future, the SYSC base address will come from DT.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/pm-rmobile.c')
| -rw-r--r-- | arch/arm/mach-shmobile/pm-rmobile.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index 4ea458d268fb..a4fcd2cae718 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -20,9 +20,9 @@ #include "pm-rmobile.h" /* SYSC */ -#define SPDCR IOMEM(0xe6180008) -#define SWUCR IOMEM(0xe6180014) -#define PSTR IOMEM(0xe6180080) +#define SPDCR 0x08 /* SYS Power Down Control Register */ +#define SWUCR 0x14 /* SYS Wakeup Control Register */ +#define PSTR 0x80 /* Power Status Register */ #define PSTR_RETRIES 100 #define PSTR_DELAY_US 10 @@ -39,12 +39,12 @@ static int rmobile_pd_power_down(struct generic_pm_domain *genpd) return ret; } - if (__raw_readl(PSTR) & mask) { + if (__raw_readl(rmobile_pd->base + PSTR) & mask) { unsigned int retry_count; - __raw_writel(mask, SPDCR); + __raw_writel(mask, rmobile_pd->base + SPDCR); for (retry_count = PSTR_RETRIES; retry_count; retry_count--) { - if (!(__raw_readl(SPDCR) & mask)) + if (!(__raw_readl(rmobile_pd->base + SPDCR) & mask)) break; cpu_relax(); } @@ -52,7 +52,8 @@ static int rmobile_pd_power_down(struct generic_pm_domain *genpd) if (!rmobile_pd->no_debug) pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", - genpd->name, mask, __raw_readl(PSTR)); + genpd->name, mask, + __raw_readl(rmobile_pd->base + PSTR)); return 0; } @@ -64,13 +65,13 @@ static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd, unsigned int retry_count; int ret = 0; - if (__raw_readl(PSTR) & mask) + if (__raw_readl(rmobile_pd->base + PSTR) & mask) goto out; - __raw_writel(mask, SWUCR); + __raw_writel(mask, rmobile_pd->base + SWUCR); for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) { - if (!(__raw_readl(SWUCR) & mask)) + if (!(__raw_readl(rmobile_pd->base + SWUCR) & mask)) break; if (retry_count > PSTR_RETRIES) udelay(PSTR_DELAY_US); @@ -82,7 +83,8 @@ static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd, if (!rmobile_pd->no_debug) pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n", - rmobile_pd->genpd.name, mask, __raw_readl(PSTR)); + rmobile_pd->genpd.name, mask, + __raw_readl(rmobile_pd->base + PSTR)); out: if (ret == 0 && rmobile_pd->resume && do_resume) |